# L; d7 }1 [# u6 W7 d- j好像南方或者北方有的地方s sh不分,下面视频应该有所帮助。 2 R/ I- e& y0 ]5 L' ` / J1 ?3 z. n6 y9 S# Q很喜欢老师的自信,她说 It's simple. It's easy. Once you watch this video, you get it, and you'll never make the mistake again. People will understand you, and your life will be fantastic.: B5 T" [3 ?0 j0 ^. M
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